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P1261 Ford Code - Cylinder #1 High To Low Side Short

- Code Popularity: 38,587 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1261 Ford?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Fuel Injector 1
  • Fuel Injector 1 harness is open or shorted
  • Fuel Injector 1 circuit poor electrical connection
  • Faulty Fuel Injector Interface Module
⚠ Does your Ford have Safety Recalls? → Check here

How to Fix the DTC P1261 Ford?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

Check valve cover wire harness connections first, including under the valve cover.





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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1261 Ford code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1261 Ford Description

The fuel injectors are connected to the high-pressure fuel rail and deliver a calibrated amount of fuel directly into the combustion chamber. The piezo actuator is commanded on by the PCM during the main injection stage for approximately 0-400 microseconds. The fuel injectors on and off time are controlled by the piezo actuator device which allows extreme precision during the injection cycle. The Diagnostic Trouble Code (DTC) is detected by the Fuel Injector Interface Module in the secondary (rearward) fuel injector circuit.

OBDII Code P1261 Ford - Cylinder #1 High To Low Side Short - AutoCodes.com
P1261 Ford Code - Cylinder #1 High To Low Side Short

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Code P1261 Ford comments

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